Home / 262,152.25-392,382.52-135,618.24

Finding the Fourth Proportional to 262,152.25, 392,382.52 and 135,618.24

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Solution

The fourth proportional to 262,152.25, 392,382.52 and 135,618.24 is: 202,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,152.25 : 392,382.52 = 135,618.24 : x
  2. Step 2: Convert to fraction form
    262,152.25/392,382.52 = 135,618.24/x
  3. Step 3: Cross multiply
    262,152.25x = 392,382.52 × 135,618.24
  4. Step 4: Simplify right side
    262,152.25x = 53,214,226,769.16
  5. Step 5: Solve for x
    x = 53,214,226,769.16/262,152.25
  6. Step 6: Final answer
    x = 202,989.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.